METHOD FOR PREPARING CHITOSAN OLIGOSACCHARIDES

FIELD: biotechnology, biochemistry. ^ SUBSTANCE: invention describes a method for preparing chitosan oligosaccharides. Method involves enzymatic hydrolysis of chitosan in an aqueous solution containing acetic acid followed by filtration of hydrolyzate and its drying. For carrying out the enzymatic h...

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Hauptverfasser:	FROLOV VADIM GENNAD'EVICH, CHERKASOVA ELENA IGOREVNA, ALEKSANDROVA EKATERINA ALEKSANDROVNA, KIRILENKO JURIJ KARPOVICH, NAGAPETJAN RUBEN ARMENAKOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES SPIRITS THEIR PREPARATION OR CHEMICAL WORKING-UP VINEGAR WINE
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Beschreibung
Zusammenfassung:	FIELD: biotechnology, biochemistry. ^ SUBSTANCE: invention describes a method for preparing chitosan oligosaccharides. Method involves enzymatic hydrolysis of chitosan in an aqueous solution containing acetic acid followed by filtration of hydrolyzate and its drying. For carrying out the enzymatic hydrolysis method involves using the chitonase preparation, and from the prepared hydrolyzate after filtration and before drying acetic acid is removed by anion-exchange purification with using strong-basic anion-exchange resin. Method provides preparing an oligosaccharide-base of chitosan. ^ EFFECT: improved preparing method. ^ 2 ex